CN219016455U - Online monitor for lightning arrester - Google Patents
Online monitor for lightning arrester Download PDFInfo
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- CN219016455U CN219016455U CN202222899069.5U CN202222899069U CN219016455U CN 219016455 U CN219016455 U CN 219016455U CN 202222899069 U CN202222899069 U CN 202222899069U CN 219016455 U CN219016455 U CN 219016455U
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Abstract
The embodiment of the application provides an on-line monitor for a lightning arrester, which comprises a shell, wherein an input end is arranged on the shell and is connected with the lightning arrester through a circuit; the display is arranged on the outer surface of the shell; the processor is arranged in the shell and is electrically connected with the input end of the shell and the display respectively; the current acquisition module is arranged in the shell, is electrically connected with the processor and the input end of the shell, and is configured to provide electric energy for the processor and send acquired electric parameters of the lightning arrester to the processor; the processor is internally provided with an information acquisition module, an analysis module and a display module, and is configured to acquire electric parameters of the lightning arrester, analyze digital information for display according to the electric parameters of the lightning arrester and display the digital information in the display; the problems that the existing on-line monitor of the lightning arrester is insensitive to fault monitoring and cannot accurately monitor the running state of the lightning arrester in a complex electromagnetic environment are solved.
Description
Technical Field
The application relates to the technical field of lightning arrester monitoring, in particular to an on-line lightning arrester monitor.
Background
The on-line monitor of the lightning arrester is an instrument matched with the lightning arrester in a high-voltage alternating-current power system, is used for monitoring the effective value of leakage current passing through the lightning arrester under the operating voltage, can judge whether the inside of the lightning arrester is damped, whether the element is abnormal or not and the like, fully increases the operation safety of a power grid, and has been developed and used by various manufacturers at present.
The current lightning arrester on-line monitoring system generally adopts a full current method and a bus voltage compensation method for monitoring.
The full current method is adopted to collect and process the full current signal on the basis of the original on-line monitor, and the measurement mode is practical for the state monitoring of the lightning arrester which is deteriorated by damp, but is insensitive to the state change of the lightning arrester caused by aging, particularly the early fault monitoring, so that the lightning arrester can react in the full current only when the fault is very serious. The bus voltage compensation method can monitor the state change caused by the damp and aging of the arrester, but due to the complex electromagnetic environment around in the actual operation process, particularly the coupling interference influence of nearby live high-voltage equipment, the actual change condition of the resistive current of the arrester can not be correctly reflected by the resistive current measured value taking the bus voltage as a reference signal, the operation state of the arrester is easy to be misjudged, and the accurate monitoring of the operation state of the arrester can not be effectively realized.
Disclosure of Invention
The application provides an arrester on-line monitor to solve current arrester on-line monitor fault monitoring insensitivity and can not carry out accurate monitoring's technical problem to the running state of arrester at complicated electromagnetic environment.
The application provides an arrester on-line monitoring ware, include:
the lightning arrester comprises a shell, wherein an input end is arranged on the shell and is connected with the lightning arrester through a circuit;
the display is arranged on the outer surface of the shell;
the processor is arranged in the shell and is electrically connected with the input end of the shell and the display respectively;
the current acquisition module is arranged in the shell, is electrically connected with the processor and the input end of the shell, and is configured to provide electric energy for the processor and send acquired lightning arrester electric parameters to the processor;
the processor is internally provided with an information acquisition module, an analysis module and a display module;
the information acquisition module is configured to acquire the lightning arrester electrical parameters;
the analysis module is electrically connected with the information acquisition module and is configured to analyze digital information for display according to the electric parameters of the lightning arrester;
and the display module is respectively and electrically connected with the analysis module and the display and is configured to display the digital information in the display.
In some embodiments, the processor is further configured with:
the filtering processing module is electrically connected between the information acquisition module and the analysis module and is configured to perform all-digital filtering processing on the lightning arrester electrical parameters to obtain the lightning arrester electrical parameters after the filtering processing.
In some embodiments, the parsing module includes:
the knowledge base unit is configured to collect the electrical parameters of the lightning arrester in real time through the information collection module, an intelligent algorithm is adopted to build a lightning arrester operation knowledge base, and a prediction model of the operation state of the lightning arrester is automatically perfected and modified based on feedback of the knowledge base and real-time information;
a storage unit configured to automatically record and store a continuous current at the time of an initial operation of the arrester;
and the intelligent judging unit is configured to intelligently judge the running state of the lightning arrester according to the continuous current of the corresponding lightning arrester in the digital information during running and the continuous current of the lightning arrester during initial running.
In some embodiments, the arrester electrical parameter comprises:
the internal leakage current of the porcelain bushing of the lightning arrester, the resistive component of the porcelain bushing, the external leakage current of the porcelain bushing and the overvoltage action times of the lightning arrester.
In some embodiments, the lightning arrester on-line monitor further comprises:
the wireless transmitting device is arranged on the surface of the shell, is electrically connected with the processor and is configured to remotely transmit the electrical parameters of the lightning arrester.
In some embodiments, the display includes:
the first display area is used for displaying the overvoltage action times of the lightning arrester;
a second display area for displaying the leakage current of the lightning arrester;
a first warning area for indicating whether the lightning arrester has current or not;
and the second warning area is used for warning that the electric quantity in the lightning arrester is overlarge.
In some embodiments, at least one fixing portion is provided at one side of the housing, and a fixing hole is provided at the center of the fixing portion.
The embodiment of the application provides an on-line monitor for a lightning arrester, which comprises a shell, wherein an input end is arranged on the shell and is connected with the lightning arrester through a circuit; the display is arranged on the outer surface of the shell; the processor is arranged in the shell and is electrically connected with the input end of the shell and the display respectively; the current acquisition module is arranged in the shell, is electrically connected with the processor and the input end of the shell, and is configured to provide electric energy for the processor and send acquired lightning arrester electric parameters to the processor; the processor is internally provided with an information acquisition module, an analysis module and a display module; the information acquisition module is configured to acquire the lightning arrester electrical parameters; the analysis module is electrically connected with the information acquisition module and is configured to analyze digital information for display according to the electric parameters of the lightning arrester; the display module is respectively and electrically connected with the analysis module and the display and is configured to display the digital information in the display; the problems that the existing on-line monitor of the lightning arrester is insensitive to fault monitoring and cannot accurately monitor the running state of the lightning arrester in a complex electromagnetic environment are solved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of the inside of an on-line lightning arrester monitor in the present application;
fig. 2 is a schematic structural diagram of an on-line lightning arrester monitor in the present application;
FIG. 3 is a schematic structural diagram of an analysis module in the present application;
fig. 4 is a schematic diagram of a connection structure between an on-line monitor of a lightning arrester and the lightning arrester in the present application.
Reference numerals illustrate:
1-a housing; 11-input terminal; 12-a fixing part; 13-fixing holes; 2-a display; 21-a first display area; 22-a second display area; 23-a first warning zone; 24-a second warning area; a 3-processor; 31-an information acquisition module; 32-an analysis module; 321-a knowledge base unit; 322 a storage unit; 323-an intelligent judging unit; 33-a display module; 34-a filtering processing module; 4-a current acquisition module; 5-a wireless transmitting device; 6-lightning arresters; 61-lightning arrester base.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As can be seen from fig. 1 and fig. 2, the lightning arrester on-line monitor provided in the present application includes: the lightning arrester comprises a shell 1, wherein an input end 11 is arranged on the shell 1, and the input end 11 is connected with the lightning arrester 6 through a circuit; a display 2, wherein the display 2 is arranged on the outer surface of the shell 1; the processor 3 is arranged in the shell 1 and is electrically connected with the input end 11 of the shell 1 and the display 2 respectively; the current acquisition module 4 is arranged in the shell 1, is electrically connected with the processor 3 and the input end 11 of the shell 1, is configured to provide electric energy for the processor, and transmits acquired lightning arrester electric parameters to the processor 3; the processor is internally provided with an information acquisition module 31, an analysis module 32 and a display module 33; an information acquisition module 31 configured to acquire the arrester electrical parameter; the analysis module 32 is electrically connected with the information acquisition module 31 and is configured to analyze digital information for display according to the electrical parameters of the lightning arrester; and a display module 33 electrically connected to the analysis module 32 and the display 2, respectively, and configured to display the digitized information on the display 2.
The processor 3 is an apparatus for processing electrical parameters of the lightning arrester in the casing 1 and electrically connected with the casing 1 and the display 2, the information acquisition module 31 is an acquisition chip disposed in the processor, the analysis module is an analysis chip disposed in the processor 3 and used for analyzing the electrical parameters of the lightning arrester to obtain digital information for display, and electrically connected with the information acquisition module 31, and the display module 33 is electrically connected with the analysis module 32 and the display 2, and is a transmission chip disposed in the processor 3 and used for transmitting the digital information to the display 2 for display.
In this embodiment, the electrical parameters of the lightning arrester are collected through the line of the input end 11 on the housing 1 connected with the lightning arrester 6 of the lightning arrester on-line monitor, as can be seen from fig. 4, the leakage current of the lightning arrester is collected through the current collection module 4 and the collected electrical parameters of the lightning arrester are sent to the processor 3; an information acquisition module 31, an analysis module 32 and a display module 33 are arranged in the processor 3; acquiring the electric parameters of the lightning arrester through an information acquisition module 31, analyzing digital information for display according to the electric parameters of the lightning arrester through an analysis module 32, judging the running state of the lightning arrester 6, and displaying the digital information in the display 2 through a display module 33; the problem that an existing lightning arrester on-line monitor is insensitive to fault monitoring is solved.
The current collection module 4 is an electricity storage device which is arranged in the processor 3 and used for collecting current leaked by the lightning arrester 6.
In this embodiment, the current collecting module 4 may collect the current leaked from the lightning arrester 6 and provide energy for the on-line detector of the lightning arrester, so as to thoroughly avoid the maintenance problem caused by the battery power supply requiring replacement and the external power supply mode in use, save energy, and reduce the time for stopping the device in the power failure state.
As can be seen from fig. 1, the processor 3 is further configured with:
the filtering processing module 34 is electrically connected between the information acquisition module 31 and the analysis module 32, and is configured to perform all-digital filtering processing on the lightning arrester electrical parameter to obtain the lightning arrester electrical parameter after the filtering processing.
The filtering processing module 34 is a chip which is arranged in the processor 3 and used for carrying out all-digital filtering processing on the electrical parameters of the lightning arrester.
In this embodiment, the filtering module 34 performs all-digital filtering on the lightning arrester electrical parameter acquired by the information acquisition module 31. Based on advanced processor chip and algorithm, the strong interference signal in the electric parameter of the lightning arrester is digitally filtered, the operation data of the lightning arrester submerged by interference is restored, and the defect that the conventional filter can not completely reproduce the original actual signal when filtering the interference is overcome.
It can be understood that, compared with the traditional lightning arrester on-line monitor, the lightning arrester on-line monitor in the embodiment of the application has the advantages that the protection of the acquisition of the electrical parameters of the lightning arrester and the reliability of the acquired electrical parameters are greatly improved.
As can be seen from fig. 3, the parsing module 32 includes:
a knowledge base unit 321 configured to collect electrical parameters of the lightning arrester in real time through the information collection module 31, and construct a lightning arrester operation knowledge base by adopting an intelligent algorithm, and autonomously perfect and modify a prediction model of the operation state of the lightning arrester based on feedback of the knowledge base and real-time information; the lightning arrester operation knowledge base is built by acquiring the electrical parameters of the lightning arrester in real time and adopting an intelligent algorithm, and a prediction model of the operation state of the lightning arrester is automatically perfected and modified based on the feedback of the knowledge base and real-time information to serve as the basis for judging the operation state of the lightning arrester.
A storage unit 322 configured to automatically record and store a continuous current at the time of an initial operation of the arrester; the storage unit 322 can automatically record and store the continuous current during the initial operation of the lightning arrester, never lose, and conveniently compare the variation of the continuous current in the operation process of the lightning arrester, so as to realize the automatic accurate judgment of the operation state of the lightning arrester.
The intelligent judging unit 323 is configured to intelligently judge the running state of the arrester according to the continuous current of the arrester during running and the continuous current of the arrester during initial running, which are corresponding to the digital information, based on the monitoring information of the electrical parameters of the arrester, particularly the monitoring information of the resistive component, and based on the knowledge base information which is automatically built, and by adopting intelligent composite judging algorithms such as historical data, similar data of similar equipment, longitudinal and transverse comparison and the like, the running state of the arrester can be accurately and reliably judged.
The knowledge base unit 321, the storage unit 322, and the intelligent judging unit 323 are disposed on the parsing module 32 and correspond to program elements on a transmission chip.
In this embodiment, the arrester electrical parameters include: the internal leakage current of the porcelain bushing of the lightning arrester, the resistive component of the porcelain bushing, the external leakage current of the porcelain bushing and the overvoltage action times of the lightning arrester.
In this embodiment, the judgment as to whether the lightning arrester 6 is aged or wet is generally based on the observation of a change in the resistive current flowing through the lightning arrester at the normal operating voltage, that is, the observation of whether the resistive leakage current increases. The fundamental component of the resistive current is greatly increased, and when the content of harmonic waves is not obviously increased, the current is generally shown as serious pollution or damp; the content of the resistive current harmonic increases greatly, and when the fundamental wave component increases insignificantly, the resistive current harmonic generally shows aging.
As can be seen from fig. 2, the on-line lightning arrester monitor further comprises: the wireless transmitting device 5 is arranged on the surface of the shell 1, is electrically connected with the processor 3 and is configured to remotely transmit the electrical parameters of the lightning arrester.
In this embodiment, not only the lightning arrester electrical parameter collected by the lightning arrester on-line monitor can be observed in a short distance by the display 2, but also the operation condition of the lightning arrester on-line monitor and the collected electrical parameter of the lightning arrester 6 can be observed in a long distance by connecting the wireless transmitting device 5 with the lightning arrester 6 on-line monitor.
As can be seen from fig. 2, the display 2 comprises: a first display area 21 for displaying the number of overvoltage actions of the lightning arrester 6; a second display area 22 for displaying leakage current of the lightning arrester 6; the first warning area 23 is configured to warn whether the lightning arrester 6 has a current, and if the lightning arrester 6 has a current greater than or equal to 0.1mA, an indicator light of the first warning area 23 is turned on; the second warning area 24 is configured to warn that the electric quantity of the lightning arrester 6 is too large, and if the electric quantity of the lightning arrester 6 is greater than or equal to 0.85mA, an indicator light of the second warning area 24 is turned on; the lightning arrester on-line monitor is used for closely observing the electrical parameters of the lightning arrester 6 collected by the lightning arrester on-line monitor and providing information whether the lightning arrester 6 has excessive current and current amount.
As can be seen from fig. 2, at least one fixing portion 12 is provided on one side of the housing 1, and a fixing hole 13 is provided in the center of the fixing portion.
It can be understood that the on-line monitor of the lightning arrester is connected with the lightning arrester base 61 through a fixing hole 13 arranged at the center of the fixing portion 12 in a screw fixing manner, and the inside is connected with the lightning arrester 6 in an electric connection manner, so as to obtain the electric parameters of the lightning arrester 6.
The foregoing detailed description of the embodiments of the present application has further described the objects, technical solutions and advantageous effects thereof, and it should be understood that the foregoing is merely a specific implementation of the embodiments of the present application, and is not intended to limit the scope of the embodiments of the present application, and any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the scope of the embodiments of the present application.
Claims (6)
1. An on-line arrester monitor, comprising:
the lightning arrester comprises a shell (1), wherein an input end (11) is arranged on the shell (1), and the input end (11) is connected with the lightning arrester (6) through a circuit;
the display (2) is arranged on the outer surface of the shell (1);
the processor (3) is arranged in the shell and is electrically connected with the input end (11) of the shell and the display (2) respectively;
the current acquisition module (4) is arranged in the shell (1), is electrically connected with the processor (3) and the input end (11) of the shell, and is configured to provide electric energy for the processor (3) and send acquired lightning arrester electric parameters to the processor (3);
an information acquisition module (31), an analysis module (32) and a display module (33) are arranged in the processor (3);
an information acquisition module (31) configured to acquire the arrester electrical parameter;
the analysis module (32) is electrically connected with the information acquisition module (31) and is configured to analyze digital information for display according to the electrical parameters of the lightning arrester;
and a display module (33) electrically connected with the analysis module (32) and the display (2) respectively and configured to display the digital information in the display (2).
2. An on-line monitor of a lightning arrester according to claim 1, characterized in that the processor (3) is further configured with:
the filtering processing module (34) is electrically connected between the information acquisition module (31) and the analysis module (32) and is configured to perform all-digital filtering processing on the lightning arrester electrical parameters to obtain the lightning arrester electrical parameters after the filtering processing.
3. An arrester in-line monitor according to claim 1, wherein the arrester electrical parameters include:
the internal leakage current of the porcelain bushing of the lightning arrester, the resistive component of the porcelain bushing, the external leakage current of the porcelain bushing and the overvoltage action times of the lightning arrester.
4. The lightning arrester on-line monitor of claim 1, further comprising:
and the wireless transmitting device (5) is arranged on the surface of the shell (1), is electrically connected with the processor (3) and is configured to remotely transmit the electrical parameters of the lightning arrester.
5. An arrester on-line monitor according to claim 1, characterized in that the display (2) comprises:
a first display area (21) for displaying the number of overvoltage actions of the lightning arrester (6);
a second display area (22) for displaying leakage current of the lightning arrester (6);
a first warning area (23) for indicating whether the lightning arrester (6) has current;
and the second warning area (24) is used for warning that the electric quantity in the lightning arrester (6) is too large.
6. An on-line monitor of a lightning arrester according to claim 1, characterized in that the housing (1) is provided with at least one fixing part (12) on one side, the center of which is provided with a fixing hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899069.5U CN219016455U (en) | 2022-11-01 | 2022-11-01 | Online monitor for lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899069.5U CN219016455U (en) | 2022-11-01 | 2022-11-01 | Online monitor for lightning arrester |
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| Publication Number | Publication Date |
|---|---|
| CN219016455U true CN219016455U (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222899069.5U Active CN219016455U (en) | 2022-11-01 | 2022-11-01 | Online monitor for lightning arrester |
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| Country | Link |
|---|---|
| CN (1) | CN219016455U (en) |
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- 2022-11-01 CN CN202222899069.5U patent/CN219016455U/en active Active
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